"People always underestimate the impact of technology. To give you an example: In the 1970s the frontier for offshore development was 200 meters, today it is 4,000 meters."

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Countries trade with each other - or to be more precise people buy and sell from each other across frontiers - because that is the way to advance their interests. We do not need to beg people to trade with us - as long as we have something that people want, of a quality they expect and at a price they are prepared to pay.

— Margaret Thatcher